UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for SBSN... Searching the city database file for: SBSN ... Date:1200Z 18 APR 25 Station: SBSN WMO ident: 82244 Latitude: -2.42 Longitude: -54.79 Elevation: 60.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1007 60 28.6 26.8 90 1.8 27.3 90 3 301.1 305.3 300.2 367.8 22.54 1 1000 122 27.2 23.8 82 3.4 24.7 55 8 300.4 303.8 297.8 355.8 18.88 2 975 346 25.0 22.9 88 2.1 23.5 56 12 300.3 303.7 297.5 354.1 18.32 3 925 809 22.4 20.0 86 2.4 20.7 75 17 302.2 305.2 296.6 349.8 16.11 4 895 1096 20.8 19.6 93 1.2 19.9 83 17 303.4 306.4 297.0 351.7 16.25 5 850 1541 18.4 16.1 86 2.3 16.8 90 20 305.4 308.0 295.8 346.3 13.67 6 834 1704 17.4 15.7 90 1.7 16.3 89 20 306.0 308.6 295.9 346.8 13.58 7 794 2125 16.4 6.4 52 10.0 10.4 85 20 309.3 310.7 292.4 332.6 7.61 8 777 2309 14.8 12.1 84 2.7 13.0 88 19 309.5 311.7 295.4 344.5 11.50 9 761 2485 13.8 5.8 58 8.0 9.0 88 18 310.3 311.7 292.7 333.7 7.62 10 750 2608 12.8 9.5 80 3.3 10.7 82 18 310.5 312.4 294.6 341.1 9.99 11 744 2676 13.2 8.2 72 5.0 10.1 79 18 311.6 313.4 294.3 340.0 9.21 12 700 3189 11.4 5.4 67 6.0 7.8 70 24 315.1 316.7 294.4 340.4 8.06 13 697 3225 11.4 4.4 62 7.0 7.2 71 24 315.5 316.9 294.1 339.2 7.55 14 682 3406 10.2 1.2 54 9.0 5.2 77 24 316.1 317.3 293.2 335.6 6.13 15 640 3931 6.0 0.0 65 6.0 2.7 72 26 317.2 318.3 293.4 336.2 5.99 16 610 4324 4.6 -15.4 22 20.0 -3.3 94 23 319.9 320.3 290.6 326.3 1.89 17 568 4901 0.0 -3.7 76 3.7 -1.9 81 13 321.1 322.1 293.7 337.8 5.13 18 559 5029 1.2 -22.8 15 24.0 -6.7 89 14 324.0 324.2 291.1 327.8 1.09 19 500 5920 -3.1 -35.1 6 32.0 -10.9 110 28 329.3 329.3 291.9 330.7 0.39 20 477 6290 -4.9 -42.9 3 38.0 -12.6 98 28 331.5 331.5 292.3 332.2 0.18 21 405 7547 -15.5 -39.5 11 24.0 -19.8 118 22 333.7 333.7 293.0 334.8 0.31 22 400 7640 -15.7 -44.7 6 29.0 -20.3 110 24 334.6 334.6 293.2 335.3 0.18 23 373 8164 -19.1 -44.1 9 25.0 -22.8 97 31 336.8 336.9 293.7 337.6 0.20 24 370 8224 -18.7 -51.7 4 33.0 -22.8 95 32 338.1 338.2 294.0 338.5 0.09 25 321 9272 -24.7 -58.7 3 34.0 -27.8 117 29 343.9 343.9 295.3 344.0 0.04 26 300 9760 -29.1 -53.1 8 24.0 -31.3 105 18 344.4 344.4 295.4 344.8 0.09 27 279 10272 -33.7 -54.7 10 21.0 -35.3 105 15 345.0 345.0 295.6 345.3 0.08 28 250 11030 -39.3 -60.3 9 21.0 -40.4 105 26 347.6 347.6 296.1 347.8 0.05 29 225 11744 -45.7 -60.7 17 15.0 -46.3 100 27 348.5 348.5 296.3 348.7 0.05 30 200 12520 -52.1 -67.1 15 15.0 -52.4 100 22 350.3 350.3 296.7 350.4 0.02 31 180 13189 -57.9 -72.9 13 15.0 -58.1 115 20 351.5 351.5 297.0 351.6 0.01 32 172 13473 -59.9 -63.8 60 3.9 -60.0 118 18 352.8 352.8 297.3 353.0 0.04 33 150 14310 -66.9 -71.7 51 4.8 -67.0 195 9 354.8 354.8 297.7 354.9 0.02 34 149 14351 -67.3 -72.0 51 4.7 -67.4 168 6 354.8 354.8 297.7 354.9 0.02 35 126 15346 -74.9 -78.9 54 4.0 -74.9 197 24 358.5 358.5 298.4 358.5 0.01 36 112 16027 -77.9 -85.9 26 8.0 -77.9 192 15 365.2 365.2 299.7 365.2 0.00 37 101 16614 -81.5 -87.5 35 6.0 -81.5 196 10 369.2 369.2 300.4 369.2 0.00 38 100 16670 -81.7 -88.7 29 7.0 -81.7 180 9 369.9 369.9 300.5 369.9 0.00 39 91 17194 -83.5 -89.5 34 6.0 -83.5 85 14 376.4 376.4 301.6 376.4 0.00 40 74 18358 -77.1 -89.1 13 12.0 -77.1 355 10 412.8 412.8 306.9 412.8 0.00 41 70 18680 -72.9 -88.9 7 16.0 -73.0 310 18 428.4 428.4 308.7 428.4 0.00 42 67 18940 -69.9 -88.9 5 19.0 -70.0 314 13 440.3 440.3 309.9 440.3 0.00 43 56 19998 -74.5 -90.5 7 16.0 -74.6 267 25 453.0 453.0 311.1 453.0 0.00 44 50 20670 -68.1 -90.1 3 22.0 -68.3 280 19 483.0 483.0 313.7 483.0 0.00 45 44 21438 -67.9 -89.9 3 22.0 -68.1 271 21 501.5 501.5 315.1 501.5 0.00 TRP 91 17194 -83.5 -89.5 34 6.0 -83.5 85 14 376.4 376.4 301.6 376.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 542.53 mb = 5277.56 m = 17314.63 ft Wetbulb zero: 626.37 mb = 4107.17 m = 13474.80 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 59.48 % Est. max temperature: 32.56 C = 90.61 F Sfc-Lift cond lev (LCL): 981.66 mb = 286.05 m = 938.47 ft T: 25.59 C 700-500 lapse rate: 5.31 C/km ThetaE index: 18.00 C Layer 1000.0- 895.0 mb Conv cond level (CCL): 896.88 mb = 1077.45 m = 3534.90 ft Mean mixing ratio: 17.59 g/kg Conv temperature: 30.81 C = 87.45 F Cap Strength: 0.95 C Lifted Index: -1.24 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.40 C Lifted Index @700 mb: -0.05 C Showalter Index: 1.22 C Risk: Showers probable Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.20 C K Index: 31.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 261.20 Risk: None Energy Index: -2.91 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 844.63 J/kg Max Up Vert Vel: 41.10 m/s Conv Inhibition (B-): 10.54 J/kg Cap Strength: 0.95 C Lift Cond Lev (LCL): 924.72 mb = 811.64 m = 2662.82 ft Lev Free Conv (LFC): 849.72 mb = 1543.83 m = 5065.01 ft Equ Level (EL): 809.72 mb = 1956.96 m = 6420.38 ft B at Equ Level: 10.24 J/kg Max Parcel Lev (MPL): 89.72 mb = 17274.05 m = 56672.71 ft Wind level data Storm motion: 114 at 15 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1007 60 90 3 -3.0 0.0 | 300 12 10.4 -6.0 1 1000 122 55 8 -6.6 -4.6 | 327 13 6.9 -10.6 2 979 305 55 12 -9.8 -6.9 | 344 13 3.6 -12.9 3 946 610 60 15 -13.0 -7.5 | 358 14 0.5 -13.5 4 925 809 75 17 -16.4 -4.4 | 16 11 -3.0 -10.4 5 914 914 80 16 -15.8 -2.8 | 15 9 -2.3 -8.8 6 850 1541 90 20 -20.0 0.0 | 47 9 -6.6 -6.0 7 793 2134 85 20 -19.9 -1.7 | 40 10 -6.5 -7.8 8 765 2438 90 18 -18.0 0.0 | 37 8 -4.6 -6.0 9 712 3048 60 19 -16.5 -9.5 | 11 16 -3.0 -15.5 10 700 3189 70 24 -22.6 -8.2 | 33 17 -9.1 -14.2 11 661 3658 85 24 -23.9 -2.1 | 52 13 -10.5 -8.1 12 636 3962 70 26 -24.4 -8.9 | 36 19 -11.0 -14.9 13 613 4267 95 24 -23.9 2.1 | 69 11 -10.5 -3.9 14 569 4877 80 13 -12.8 -2.3 | 356 8 0.6 -8.3 15 548 5182 100 16 -15.8 2.8 | 35 4 -2.3 -3.3 16 527 5486 90 22 -22.0 0.0 | 55 10 -8.6 -6.0 17 500 5920 110 28 -26.3 9.6 | 105 13 -12.9 3.5 18 489 6096 110 30 -28.2 10.3 | 106 15 -14.8 4.2 19 470 6401 90 26 -26.0 0.0 | 64 14 -12.6 -6.0 20 401 7620 120 22 -19.1 11.0 | 131 7 -5.6 5.0 21 400 7640 110 24 -22.6 8.2 | 103 9 -9.1 2.2 22 369 8230 95 32 -31.9 2.8 | 80 19 -18.4 -3.3 23 354 8534 110 41 -38.5 14.0 | 108 26 -25.1 8.0 24 326 9144 120 32 -27.7 16.0 | 125 17 -14.3 10.0 25 300 9760 105 18 -17.4 4.7 | 71 4 -3.9 -1.4 26 275 10363 105 15 -14.5 3.9 | 26 2 -1.0 -2.2 27 250 11030 105 26 -25.1 6.7 | 93 12 -11.7 0.7 28 241 11278 100 30 -29.5 5.2 | 87 16 -16.1 -0.8 29 201 12497 100 22 -21.7 3.8 | 75 9 -8.2 -2.2 30 200 12520 100 22 -21.7 3.8 | 75 9 -8.2 -2.2 31 173 13411 120 19 -16.5 9.5 | 139 5 -3.0 3.5 32 157 14021 95 10 -10.0 0.9 | 326 6 3.5 -5.2 33 150 14310 195 9 2.3 8.7 | 260 16 15.8 2.7 34 150 14326 165 6 -1.6 5.8 | 271 12 11.9 -0.2 35 142 14630 200 12 4.1 11.3 | 253 18 17.5 5.2 36 128 15240 200 25 8.6 23.5 | 232 28 22.0 17.5 37 115 15850 175 17 -1.5 16.9 | 228 16 12.0 10.9 38 104 16459 240 11 9.5 5.5 | 271 23 23.0 -0.5 39 100 16670 180 9 0.0 9.0 | 258 14 13.4 3.0 40 98 16764 180 9 0.0 9.0 | 258 14 13.4 3.0 41 93 17069 170 7 -1.2 6.9 | 266 12 12.2 0.9 42 91 17194 85 14 -13.9 -1.2 | 4 7 -0.5 -7.3 43 84 17678 65 23 -20.8 -9.7 | 25 17 -7.4 -15.8 44 79 17983 80 13 -12.8 -2.3 | 356 8 0.6 -8.3 45 71 18593 305 8 6.6 -4.6 | 298 23 20.0 -10.6 46 70 18680 310 18 13.8 -11.6 | 303 32 27.2 -17.6 47 67 18898 315 11 7.8 -7.8 | 303 25 21.2 -13.8 48 64 19202 310 24 18.4 -15.4 | 304 38 31.8 -21.5 49 52 20422 245 26 23.6 11.0 | 262 37 37.0 4.9 50 50 20670 280 19 18.7 -3.3 | 286 33 32.2 -9.3 51 49 20726 245 21 19.0 8.9 | 265 33 32.5 2.8 52 46 21031 280 20 19.7 -3.5 | 286 34 33.1 -9.5 53 41 21641 260 22 21.7 3.8 | 274 35 35.1 -2.2 Wind Parameters Mean winds (0-6000m): 84.2 at 19.6 knts Storm direction: 114.2 at 14.7 knts Shear (0-3000m) pos: 1.8 neg: 3.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 72.8 deg Storm rel helicity (0-3000m) pos: 66.0 neg: -18.1 tot: 47.8 m^2/s^2 ave: 15.9 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 2.6 10^-3/s Energy-Hel index: 0.35 Bulk Rich Number: 52.61 Bulk Shear: 16.06 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 57 11 341 13| 0.0 12.4 12.4| 40.9 0.0 40.9 81.8 0.99| 12.9 12.8 1000 67 14 355 11| 3.5 6.2 9.7| 56.9 0.0 56.9 56.9 0.88| 10.3 9.1 1500 75 15 7 10| 3.6 4.1 7.7| 66.0 0.0 66.0 44.0 0.90| 8.2 7.4 2000 79 16 17 10| 2.7 3.3 6.0| 66.0 -2.7 63.3 31.7 0.81| 6.5 5.3 2500 81 17 21 9| 2.2 2.5 4.6| 66.0 -6.2 59.8 23.9 0.65| 6.0 3.9 3000 79 17 21 10| 1.8 3.1 4.9| 66.0 -18.1 47.8 15.9 0.41| 6.3 2.6 4000 78 19 27 11| 2.5 2.6 5.1|122.0 -36.1 85.9 21.5 0.41| 7.6 3.1 5000 80 19 30 11| 2.0 2.1 4.1|144.9 -61.5 83.3 16.7 0.26| 8.4 2.1 6000 84 20 37 10| 2.9 1.7 4.6|181.5 -61.5 120.0 20.0 0.34| 8.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//SBSN/skewt/SBSN.skewt.20250418.12.gif